Apex Systems
Java Developer/Tester
Manassas, Virginia · Mid
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The bottom of this range ($60) is below the Level I prevailing wage of $102,086. An H-1B cannot be filed below the prevailing wage, so an offer at the floor of this band could not be sponsored as posted.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Washington-Arlington-Alexandria, DC-VA-MD-WV. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- We are seeking a Java Developer with experience in mid-to-front-end stack development.
- The position requires hands-on experience in writing unit and component tests, working with multithreaded applications, and refactoring complex software.
- Write effective unit and component tests for new and existing code.
Responsibilities
- Develop and maintain Java-based applications, with a focus on multithreading.
Requirements
- Candidates must have proven Java development experience, including multithreading.
- Candidates must be able to obtain and/or maintain a Department of Defense Secret clearance as a condition and continuation of employment.
- A B.S. in Computer Science, Software/Computer/Electrical Engineering, or a related STEM discipline is required.
Nice to have
- Experience with databases such as MongoDB or PostgreSQL.
- Familiarity with inter-process messaging middleware like gRPC or Artemis.
- Knowledge of UI frameworks, including JavaFX or Swing.
- Understanding of reactive programming (RxJava, Kotlin Coroutines, Flow).
- Experience with performance-tuning tools (JVisualVM, JConsole, JProfiler).
- Knowledge of containerization and orchestration technologies like Docker or Kubernetes.
- Everforth Apex is a world-class IT services company that serves thousands of clients across the globe.
- Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.
Skills
- Advanced Java multithreading skills.
Compensation
- $0k-$0k
Company info
- Role Overview We are seeking a Java Developer with experience in mid-to-front-end stack development.
- When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning.
- We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure.
Visa & Work Authorization
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This listing is sourced directly from Apex Systems's careers page and normalized into a canonical job model.